Omega Seamaster Diver Mens Watch Omega Seamaster Professional Diver stainless steel automatic mens watch. Black dial, date, case diameter: 42mm, wrist size: 20cm, Swiss made. Ref# 210.30.42.20.01.001. With Omega stainless steel bracelet and clasp. With Certificate of Authenticity, Omega International Warranty card dated 10/03/2022, Omega Master chronometer card, Omega Pictograms card and Omega box. Balance of 5 year Omega manufacturer warranty applies. (Pre-owned)